sfpick (3.0)
index
user/fomels/Mpick.c
Documentation
Automatic picking from semblance-like panels.

 
Synopsis
        sfpick < scn.rsf > pik.rsf vel0=o2 niter=100 an=1. gate=3 smooth=y norm=n back=n rect#=(1,1,...) rect1=1 rect2=1 ...
rectN defines the size of the smoothing stencil in N-th dimension.

Theory in Appendix B of:
S. Fomel, 2009,
Velocity analysis using AB semblance: Geophysical Prospecting, v. 57, 311-321.
Reproducible version in RSFSRC/book/tccs/avo
http://ahay.org/RSF/book/tccs/avo/paper_html/

August 2012 program of the month:
http://ahay.org/blog/2012/08/01/program-of-the-month-sfpick/

 
Parameters
       
 
float an=1.
axes anisotropy
 
bool back=n [y/n]
if run backward
 
int gate=3
picking gate
 
int niter=100
number of iterations
 
bool norm=n [y/n]
if apply normalization (0.~1.)
 
int rect#=(1,1,...)
smoothing radius on #-th axis
 
bool smooth=y [y/n]
if apply smoothing
 
float vel0=o2
surface velocity

 
Used In
       

 
BEI
        vela/vscan
wvs/vscan

 
DATA
        alaska/line31-81-m8r
freeusp/land
nankai/data
nankai/shots

 
GEE
        prc/bob

 
GEO384S
        hw3/dmo
hw3/nmo
hw4/alaska
hw5/hradon
hw5/pradon
hw6/gazdag
hw6/rtm

 
GEO384W
        hw3/synth
hw6/blake

 
JLU
        gvdseisint/ocmodel
vdseislet/demultiple
vdseislet/nmo
vdseislet/usp

 
MILANO
        taupvel/cmp

 
RSF
        reprobook/exam3
school/data
school/fault
school2017/seismic
scons/rsf
tutorials/hilbert

 
SEP
        geostat/dix
oc2/elfshot
pefmult/mobil
vc2/beivc
vc2/elfvc
vc2/sigvc

 
TCCS
        acrossfault/clyde
acrossfault/gulf
acrossfault/louis2d
acrossfault/synth
attr/vecta
avo/avo
avo/avo2
diffr/fault
diffr/gom